The three types – there are those of us that are naive and Trust everyone as it says "a fool believes everything" – there are those of us that have been burnt and are cynical, as King David said "I said in my haste / anguish, all people are corrupt" and this aligns to Game-theory, and finally the ultimate goal is to figure out who you can – namely God and some others… – trust; and can’t… – and having obvious courage and wisdom, to Be What You Believe